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Current content: 155 519 367 patent documents

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123 361 new documents added

1 354 331 documents amended

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EP 0360773 A2 19900328 - Transformation toughened ceramic alloys.

Title (en)

Transformation toughened ceramic alloys.

Title (de)

Keramische Zusammensetzung mit durch Umwandlung gesteigerter Zähigkeit.

Title (fr)

Composition céramique à ténacité élevée par transformation.

Publication

EP 0360773 A2 19900328 (EN)

Application

EP 89850304 A 19890915

Priority

US 24552388 A 19880919

Abstract (en)

This invention is primarily directed to the production of transformation toughened ZrO2-containing ceramic alloys wherein the toughening agent is selected from the group consisting of a rare earth metal vanadate and a magnesium and/or calcium tungstate/molybdate, and SnO2 can be utilized as a toughening agent and/or a stabilizing agent for ZrO2.

IPC 1-7

C04B 35/48

IPC 8 full level

C04B 35/48 (2006.01); C04B 35/486 (2006.01)

CPC (source: EP US)

C04B 35/486 (2013.01 - EP US)

Designated contracting state (EPC)

DE SE

DOCDB simple family (publication)

EP 0360773 A2 19900328; EP 0360773 A3 19910724; JP H02107563 A 19900419; US 4939107 A 19900703

DOCDB simple family (application)

EP 89850304 A 19890915; JP 23681689 A 19890912; US 24552388 A 19880919